Reduce log outputs in tests of lerna-util-sequence

[negokaz]

The debug log outputs from com.datastax.oss.driver makes us difficult to read the log from lerna.util.sequence.

(It was affected by the change in #78)

For example:

12:06:41.605 [CassandraSequenceFactorySpec-akka.actor.default-dispatcher-11] INFO lerna.util.sequence.SequenceFactoryWorker$ - initial reserved: max:91, initial:1
12:06:41.605 [CassandraSequenceFactorySpec-akka.actor.default-dispatcher-11] DEBUG lerna.util.sequence.SequenceFactoryWorker$ - SequenceGenerated: 1
12:06:41.608 [s14-io-3] DEBUG com.datastax.oss.driver.internal.core.channel.InFlightHandler - [s14|id: 0xd825ec7d, L:/127.0.0.1:50400 - R:/127.0.0.1:9042] Got last response on in-flight stream id 0, completing and releasing
12:06:41.611 [s14-io-3] DEBUG com.datastax.oss.driver.internal.core.channel.InFlightHandler - [s14|id: 0xd825ec7d, L:/127.0.0.1:50400 - R:/127.0.0.1:9042] Got last response on in-flight stream id 0, completing and releasing
12:06:41.611 [CassandraSequenceFactorySpec-akka.actor.default-dispatcher-11] INFO lerna.util.sequence.SequenceStore$ - Reserved > sequenceId: 568e4087-2d88-4769-9036-a981c084dbbb  sequenceSubId: test-29  nodeId: 1  reservedValue: 91
12:06:41.612 [CassandraSequenceFactorySpec-akka.actor.default-dispatcher-13] INFO lerna.util.sequence.SequenceFactoryWorker$ - initial reserved: max:91, initial:1
12:06:41.612 [CassandraSequenceFactorySpec-akka.actor.default-dispatcher-13] DEBUG lerna.util.sequence.SequenceFactoryWorker$ - SequenceGenerated: 1
12:06:41.616 [s14-io-3] DEBUG com.datastax.oss.driver.internal.core.channel.InFlightHandler - [s14|id: 0xd825ec7d, L:/127.0.0.1:50400 - R:/127.0.0.1:9042] Got last response on in-flight stream id 0, completing and releasing
12:06:41.623 [s14-io-3] DEBUG com.datastax.oss.driver.internal.core.channel.InFlightHandler - [s14|id: 0xd825ec7d, L:/127.0.0.1:50400 - R:/127.0.0.1:9042] Got last response on in-flight stream id 0, completing and releasing
12:06:41.623 [CassandraSequenceFactorySpec-akka.actor.default-dispatcher-11] INFO lerna.util.sequence.SequenceStore$ - Reserved > sequenceId: 568e4087-2d88-4769-9036-a981c084dbbb  sequenceSubId: test-30  nodeId: 1  reservedValue: 91
12:06:41.624 [CassandraSequenceFactorySpec-akka.actor.default-dispatcher-13] INFO lerna.util.sequence.SequenceFactoryWorker$ - initial reserved: max:91, initial:1
12:06:41.624 [CassandraSequenceFactorySpec-akka.actor.default-dispatcher-13] DEBUG lerna.util.sequence.SequenceFactoryWorker$ - SequenceGenerated: 1
12:06:41.628 [s14-io-3] DEBUG com.datastax.oss.driver.internal.core.channel.InFlightHandler - [s14|id: 0xd825ec7d, L:/127.0.0.1:50400 - R:/127.0.0.1:9042] Got last response on in-flight stream id 0, completing and releasing
12:06:41.632 [s14-io-3] DEBUG com.datastax.oss.driver.internal.core.channel.InFlightHandler - [s14|id: 0xd825ec7d, L:/127.0.0.1:50400 - R:/127.0.0.1:9042] Got last response on in-flight stream id 0, completing and releasing

This change will not affect users.

[xirc]

LGTM 👍